<template>
  <div class="app-container">
    <el-card v-show="showSearch" class="mb10" shadow="hover">
      <el-form v-show="showSearch" ref="queryForm" :inline="true" :model="queryParams" label-width="68px">
        <el-form-item label="文件名" prop="fileName">
          <el-input
            v-model="queryParams.fileName"
            clearable
            placeholder="请输入文件名"
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="原名" prop="originalName">
          <el-input
            v-model="queryParams.originalName"
            clearable
            placeholder="请输入原名"
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="文件后缀" prop="fileSuffix">
          <el-input
            v-model="queryParams.fileSuffix"
            clearable
            placeholder="请输入文件后缀"
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="创建时间">
          <el-date-picker
            v-model="daterangeCreateTime"
            :default-time="['00:00:00', '23:59:59']"
            end-placeholder="结束日期"
            range-separator="-"
            size="small"
            start-placeholder="开始日期"
            style="width: 100%"
            type="datetimerange"
            value-format="yyyy-MM-dd HH:mm:ss"
          ></el-date-picker>
        </el-form-item>
        <el-form-item label="上传人" prop="createName">
          <el-input
            v-model="queryParams.createName"
            clearable
            placeholder="请输入上传人"
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item label="服务商" prop="service">
          <el-input
            v-model="queryParams.service"
            clearable
            placeholder="请输入服务商"
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item>
          <el-button icon="el-icon-search" size="mini" type="primary" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
    </el-card>

    <el-card shadow="hover">
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            v-hasPermi="['system:oss:upload']"
            icon="el-icon-plus"
            plain
            size="mini"
            type="primary"
            @click="handleFile"
          >上传文件
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            v-hasPermi="['system:oss:upload']"
            icon="el-icon-plus"
            plain
            size="mini"
            type="primary"
            @click="handleImage"
          >上传图片
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            v-hasPermi="['system:oss:remove']"
            :disabled="multiple"
            icon="el-icon-delete"
            plain
            size="mini"
            type="danger"
            @click="handleDelete"
          >删除
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            v-hasPermi="['system:oss:edit']"
            :type="previewListResource ? 'danger' : 'warning'"
            plain
            size="mini"
            @click="handlePreviewListResource(!previewListResource)"
          >预览开关 : {{ previewListResource ? "禁用" : "启用" }}
          </el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            v-hasPermi="['system:oss:list']"
            icon="el-icon-s-operation"
            plain
            size="mini"
            type="info"
            @click="handleOssConfig"
          >配置管理
          </el-button>
        </el-col>
        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>

      <el-table v-if="showTable" v-loading="loading" :data="ossList"
                :header-cell-class-name="handleHeaderClass"
                @selection-change="handleSelectionChange"
                @header-click="handleHeaderCLick">
        <el-table-column align="center" type="selection" width="55"/>
        <el-table-column v-if="false" align="center" label="对象存储主键" prop="ossId"/>
        <el-table-column align="center" label="文件名" prop="fileName"/>
        <el-table-column align="center" label="原名" prop="originalName"/>
        <el-table-column align="center" label="文件后缀" prop="fileSuffix"/>
        <el-table-column align="center" label="文件展示" prop="url">
          <template #default="scope">
            <ImagePreview
              v-if="previewListResource && checkFileSuffix(scope.row.fileSuffix)"
              :height=100
              :preview-src-list="[scope.row.url]"
              :src="scope.row.url"
              :width=100
            />
            <span v-if="!checkFileSuffix(scope.row.fileSuffix) || !previewListResource"
                  v-text="scope.row.url"/>
          </template>
        </el-table-column>
        <el-table-column align="center" label="创建时间" prop="createDate" sortable="custom"
                         width="180">
          <template slot-scope="scope">
            <span>{{ formatDateTime(scope.row.createDate) }}</span>
          </template>
        </el-table-column>
        <el-table-column align="center" label="上传人" prop="creatorName"/>
        <el-table-column align="center" label="服务商" prop="service"
                         sortable="custom"/>
        <el-table-column align="center" class-name="small-padding fixed-width" label="操作">
          <template slot-scope="scope">
            <el-button
              v-hasPermi="['system:oss:download']"
              icon="el-icon-edit"
              size="mini"
              type="text"
              @click="handleDownload(scope.row)"
            >下载
            </el-button>
            <el-button
              v-hasPermi="['system:oss:remove']"
              icon="el-icon-delete"
              size="mini"
              type="text"
              @click="handleDelete(scope.row)"
            >删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>

      <pagination
        v-show="total>0"
        :limit.sync="queryParams.pageSize"
        :page.sync="queryParams.pageNum"
        :total="total"
        @pagination="getList"
      />
    </el-card>

    <!-- 添加或修改OSS对象存储对话框 -->
    <el-dialog :title="title" :visible.sync="open" append-to-body width="500px">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="文件名">
          <fileUpload v-if="type === 0" v-model="form.file"/>
          <imageUpload v-if="type === 1" v-model="form.file"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {delOss, listOss} from "@/api/system/oss";
import {formatDateTime} from "@/utils/date";

export default {
  name: "Oss",
  data() {
    return {
      showTable: true,
      // 按钮loading
      buttonLoading: false,
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // OSS对象存储表格数据
      ossList: [],
      // 弹出层标题
      title: "",
      // 弹出层标题
      type: 0,
      // 是否显示弹出层
      open: false,
      // 预览列表图片
      previewListResource: true,
      // 创建时间时间范围
      daterangeCreateTime: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        sortName: 'ossId',
        params: {
          fileName: undefined,
          originalName: undefined,
          fileSuffix: undefined,
          url: undefined,
          createDate: undefined,
          createName: undefined,
          service: undefined
        }
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        file: [
          {required: true, message: "文件不能为空", trigger: "blur"}
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    formatDateTime,
    /** 查询OSS对象存储列表 */
    getList() {
      this.loading = true;
      this.getConfigKey("sys.oss.previewListResource").then(response => {
        this.previewListResource = response.data.configValue === 'true';
      });
      listOss(this.addDateRange(this.queryParams, this.daterangeCreateTime)).then(response => {
        this.ossList = response.data.records;
        this.total = response.data.total;
        this.loading = false;
        this.showTable = true;
      });
    },
    checkFileSuffix(fileSuffix) {
      let arr = ["png", "jpg", "jpeg"];
      return arr.some(type => {
        return fileSuffix.indexOf(type) > -1;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        file: undefined,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.showTable = false;
      this.daterangeCreateTime = [];
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.ossId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    // 设置列的排序为我们自定义的排序
    handleHeaderClass({column}) {
      column.order = column.multiOrder
    },
    // 点击表头进行排序
    handleHeaderCLick(column) {
      if (column.sortable !== 'custom') {
        return
      }
      switch (column.multiOrder) {
        case 'descending':
          column.multiOrder = 'ascending';
          break;
        case 'ascending':
          column.multiOrder = '';
          break;
        default:
          column.multiOrder = 'descending';
          break;
      }
      this.handleOrderChange(column.property, column.multiOrder)
    },
    handleOrderChange(prop, order) {
      let orderByArr = this.queryParams.orderByColumn ? this.queryParams.orderByColumn.split(",") : [];
      let isAscArr = this.queryParams.isAsc ? this.queryParams.isAsc.split(",") : [];
      let propIndex = orderByArr.indexOf(prop)
      if (propIndex !== -1) {
        if (order) {
          //排序里已存在 只修改排序
          isAscArr[propIndex] = order;
        } else {
          //如果order为null 则删除排序字段和属性
          isAscArr.splice(propIndex, 1);//删除排序
          orderByArr.splice(propIndex, 1);//删除属性
        }
      } else {
        //排序里不存在则新增排序
        orderByArr.push(prop);
        isAscArr.push(order);
      }
      //合并排序
      this.queryParams.orderByColumn = orderByArr.join(",");
      this.queryParams.isAsc = isAscArr.join(",");
      this.getList();
    },
    /** 任务日志列表查询 */
    handleOssConfig() {
      this.$router.push({path: '/system/oss-config/index'})
    },
    /** 文件按钮操作 */
    handleFile() {
      this.reset();
      this.open = true;
      this.title = "上传文件";
      this.type = 0;
    },
    /** 图片按钮操作 */
    handleImage() {
      this.reset();
      this.open = true;
      this.title = "上传图片";
      this.type = 1;
    },
    /** 提交按钮 */
    submitForm() {
      this.open = false;
      this.getList();
    },
    /** 下载按钮操作 */
    handleDownload(row) {
      this.$download.oss(row.ossId)
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ossIds = row.ossId || this.ids;
      this.$modal.confirm('是否确认删除OSS对象存储编号为"' + ossIds + '"的数据项?').then(() => {
        this.loading = true;
        return delOss(ossIds);
      }).then(() => {
        this.loading = false;
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).finally(() => {
        this.loading = false;
      });
    },
    // 预览列表图片状态修改
    handlePreviewListResource(previewListResource) {
      let text = previewListResource ? "启用" : "停用";
      this.$modal.confirm('确认要"' + text + '""预览列表图片"配置吗?').then(() => {
        return this.updateConfigByKey("sys.oss.previewListResource", previewListResource);
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess(text + "成功");
      }).catch(() => {
      })
    }
  }
};
</script>
